Home / 6,188.40-9,285.30-3,411.72

Finding the Fourth Proportional to 6,188.40, 9,285.30 and 3,411.72

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Solution

The fourth proportional to 6,188.40, 9,285.30 and 3,411.72 is: 5,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.40 : 9,285.30 = 3,411.72 : x
  2. Step 2: Convert to fraction form
    6,188.40/9,285.30 = 3,411.72/x
  3. Step 3: Cross multiply
    6,188.40x = 9,285.30 × 3,411.72
  4. Step 4: Simplify right side
    6,188.40x = 31,678,843.72
  5. Step 5: Solve for x
    x = 31,678,843.72/6,188.40
  6. Step 6: Final answer
    x = 5,119.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.